A sheriff's deputy has been shot and killed during a 12-hour standoff at an apartment complex in Ohio that left another deputy wounded and a suspect in custody.

Authorities responded to the Royal Oaks Apartments in Pierce Township, about 20 miles east of Cincinnati, on Saturday at 7pm to carry out a welfare check.

A man had called 911 to report that people were refusing to leave his home and that there were weapons inside.

Wade Edward Winn, 23, is accused of shooting two Clermont County deputies, killing one of them.

During the standoff Winn took to Instagram Live and posted footage of himself inside the apartment as officers outside called for him to put his weapons down and surrender.

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Wade Edward Winn is accused of fatally shooting a sheriff's deputy during a 12-hour standoff

Authorities responded to the Royal Oaks Apartments in Pierce Township, about 20 miles east of Cincinnati, on Saturday at 7pm

During the standoff Winn took to Instagram Live and posted footage of himself inside the apartment as officers outside called for him to put his weapons down and surrender. Grabs from the video are seen above

'Wade Winn. This is the Clermont County Sheriff's Office. Put your weapons down. Time to surrender,' officials are heard saying in the Instagram video.

An official continues: 'Wade Winn, this is the Sheriff's Office. You need to pick up the phone, to speak with you. You can tell us what is on your mind, what's going on. But we want you to surrender. We want to get you the help you need. No one wants to harm you.'